Pseudocyst of the auricle

Pseudocyst of the auricle (also known as a "Auricular endochondrial pseudocyst,"[1] "Cystic chondromalacia,"[1] "Endochondral pseudocyst,"[2] and "Intracartilaginous cyst"[1]) is a cutaneous condition characterized by a fluctuant, tense, noninflammatory swelling on the upper half of the ear.[1][2]:681[3][4][5]